With the improvement of people's living standards, people's requirements for clothing application performance are becoming more and more stringent. At present, the most widespread way to improve fabric properties is to finish. Polyacrylate has been widely concerned because of its excellent film forming properties, but it has some disadvantages such as poor resistance to pollution and water, which limits its application. Fluorinated groups have good characteristics of hydrophobic, oleophobic and antifouling, but organic fluorine materials have high unit price and poor low temperature resistance. In order to improve this defect, the introduction of silicon-containing small molecules to prepare fluorine-containing silicon polymers has become a new direction in the field of polymer materials.

Silicon-containing polymers have many excellent surface properties, especially low glass transition temperature, low elastic modulus, and good thermal and chemical stability. Therefore, the fluorine-containing silicon finishing agent can make the fabric have good hand feel and strong stain resistance at the same time, and the washing resistance of the fabric is improved after treatment.

Fluorine-containing silicone polymer finishing agent was prepared by modifying fluorine-containing polyacrylate monomer with vinyl trimethoxysilane and applied to linen fabric. The introduction of silicon can greatly improve the shortcomings of hard feel and easy to wrinkle. By testing the properties of fabric such as breaking strength, bending rigidity, friction factor (static and dynamic) and contact Angle to water, the change of fabric properties after finishing with fluorosilica-polyacrylate emulsion was studied.

The experimental results show that the breaking strength of flax fabric is increased from 785 N to 852 N, while the bending rigidity and friction coefficient (static and dynamic) are decreased, which indicates that the softness of the fabric is improved by the introduction of silicon. The contact Angle of the finished fabric to water increased from 119.59° to 128.33°, and the hydrophobicity was obviously improved.